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"There are a lot of theories out there about how online dating is bad for us," Michael Rosenfeld, a sociologist at Stanford who has been conducting a long-running study of online dating, told me the other day.

Whether it’s where I’m eating, where I’m traveling or, God forbid, something I’m buying, like a lot of people in my generation—those in their 20s and 30s—I feel compelled to do a ton of research to make sure I’m getting every option and then making the best choice.

If this mentality pervades our decision­making in so many realms, is it also affecting how we choose a romantic partner?

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